<template>
  <div id="app">
    <topBox></topBox>
    <bottomBox></bottomBox>
    <middleBox></middleBox>
  </div>
</template>

<script>

export default {
  name: 'App',

}
</script>

<style>
  *{
    margin: 0;
    padding: 0;
  }
  #app{
    box-sizing: border-box;
    padding: 10px;
  }
</style>
